<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Header</title>
</head>
<body>
<header>
    <nav>
        <ul>
            <li><a th:href="@{/hello}">入门案例</a></li>
        </ul>
    </nav>
</header>
</body>
</html>